Home / 12,030.52-18,045.37-4,239.13

Finding the Fourth Proportional to 12,030.52, 18,045.37 and 4,239.13

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Solution

The fourth proportional to 12,030.52, 18,045.37 and 4,239.13 is: 6,358.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,030.52 : 18,045.37 = 4,239.13 : x
  2. Step 2: Convert to fraction form
    12,030.52/18,045.37 = 4,239.13/x
  3. Step 3: Cross multiply
    12,030.52x = 18,045.37 × 4,239.13
  4. Step 4: Simplify right side
    12,030.52x = 76,496,669.33
  5. Step 5: Solve for x
    x = 76,496,669.33/12,030.52
  6. Step 6: Final answer
    x = 6,358.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.